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// Copyright 2014 PDFium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
#include "xfa/fwl/cfwl_caret.h"
#include <utility>
#include "third_party/base/ptr_util.h"
#include "xfa/fwl/cfwl_notedriver.h"
#include "xfa/fwl/cfwl_themebackground.h"
#include "xfa/fwl/cfwl_timerinfo.h"
#include "xfa/fwl/cfwl_widgetproperties.h"
#include "xfa/fwl/ifwl_themeprovider.h"
namespace {
const uint32_t kFrequency = 400;
} // namespace
CFWL_Caret::CFWL_Caret(const CFWL_App* app,
std::unique_ptr<CFWL_WidgetProperties> properties,
CFWL_Widget* pOuter)
: CFWL_Widget(app, std::move(properties), pOuter),
m_pTimer(pdfium::MakeUnique<CFWL_Caret::Timer>(this)),
m_pTimerInfo(nullptr) {
SetStates(FWL_STATE_CAT_HightLight);
}
CFWL_Caret::~CFWL_Caret() {
if (m_pTimerInfo) {
m_pTimerInfo->StopTimer();
m_pTimerInfo = nullptr;
}
}
FWL_Type CFWL_Caret::GetClassID() const {
return FWL_Type::Caret;
}
void CFWL_Caret::Update() {}
void CFWL_Caret::DrawWidget(CFX_Graphics* pGraphics,
const CFX_Matrix* pMatrix) {
if (!pGraphics)
return;
if (!m_pProperties->m_pThemeProvider)
m_pProperties->m_pThemeProvider = GetAvailableTheme();
if (!m_pProperties->m_pThemeProvider)
return;
DrawCaretBK(pGraphics, m_pProperties->m_pThemeProvider, pMatrix);
}
void CFWL_Caret::ShowCaret() {
if (m_pTimerInfo)
m_pTimerInfo->StopTimer();
m_pTimerInfo = m_pTimer->StartTimer(kFrequency, true);
RemoveStates(FWL_WGTSTATE_Invisible);
}
void CFWL_Caret::HideCaret() {
if (m_pTimerInfo) {
m_pTimerInfo->StopTimer();
m_pTimerInfo = nullptr;
}
SetStates(FWL_WGTSTATE_Invisible);
}
void CFWL_Caret::DrawCaretBK(CFX_Graphics* pGraphics,
IFWL_ThemeProvider* pTheme,
const CFX_Matrix* pMatrix) {
if (!(m_pProperties->m_dwStates & FWL_STATE_CAT_HightLight))
return;
CFWL_ThemeBackground param;
param.m_pWidget = this;
param.m_pGraphics = pGraphics;
param.m_rtPart = CFX_RectF(0, 0, GetWidgetRect().Size());
param.m_iPart = CFWL_Part::Background;
param.m_dwStates = CFWL_PartState_HightLight;
if (pMatrix)
param.m_matrix.Concat(*pMatrix);
pTheme->DrawBackground(¶m);
}
void CFWL_Caret::OnProcessMessage(CFWL_Message* pMessage) {}
void CFWL_Caret::OnDrawWidget(CFX_Graphics* pGraphics,
const CFX_Matrix* pMatrix) {
DrawWidget(pGraphics, pMatrix);
}
CFWL_Caret::Timer::Timer(CFWL_Caret* pCaret) : CFWL_Timer(pCaret) {}
void CFWL_Caret::Timer::Run(CFWL_TimerInfo* pTimerInfo) {
CFWL_Caret* pCaret = static_cast<CFWL_Caret*>(m_pWidget.Get());
if (!(pCaret->GetStates() & FWL_STATE_CAT_HightLight))
pCaret->SetStates(FWL_STATE_CAT_HightLight);
else
pCaret->RemoveStates(FWL_STATE_CAT_HightLight);
CFX_RectF rt = pCaret->GetWidgetRect();
pCaret->RepaintRect(CFX_RectF(0, 0, rt.width + 1, rt.height));
}
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